[Ubuntu] PyQt5

[Andrew Diamond]

On Sunday, November 8, 2015 at 11:22:30 AM UTC-5, Chris Angelico wrote:
> On Mon, Nov 9, 2015 at 3:03 AM, Andrew Diamond <adiamond1978 at gmail.com> wrote:
> > On Saturday, November 7, 2015 at 10:13:25 PM UTC-5, Andrew Diamond wrote:
> >> Hi!
> >>
> >> I'm fairly new to Python, and installed pyqt5 and began working through the examples at http://zetcode.com/gui/pyqt5/menustoolbars/  However, whenever I click one of the buttons or menus in the example apps I run that is supposed to quit the application, it locks up.  This happens with all the examples I installed that handle code to quit the app.
> >>
> >> Running Ubuntu 15.10, and installed pyqt5 via:
> >>
> >> sudo apt-get install python3-pyqt5
> >> sudo apt-get install qtcreator
> >>
> >> Thank you in advance for any assistance!
> >
> > I just read somewhere that the issue could be because I was trying to run these examples from within Idle.  However, when I try to run them from the terminal, I run into another snag:
> >
> > andrew at andrew-Satellite-P755:~/Programming/Python$ python tut8.py
> > Traceback (most recent call last):
> >   File "tut8.py", line 16, in <module>
> >     from PyQt5.QtWidgets import QMainWindow, QAction, qApp, QApplication
> > ImportError: No module named PyQt5.QtWidgets
> >
> > ...a path issue?
> 
> If you installed "python3-pyqt5", you probably want to run "python3
> tut8.py". There are potentially two completely separate Python
> interpreters installed - version 2.7, and the latest available version
> 3.x (probably 3.4 or 3.5). You've installed a package for Python 3,
> but haven't installed the corresponding Python 2 package, so it won't
> run under the Python 2 interpreter. Compare these:
> 
> $ python --version
> $ python3 --version
> 
> I suspect that "python3 tut8.py" should work. If it doesn't, post some
> more info about your Idle installation; it might give a hint as to
> what's going on.
> 
> ChrisA

You were absolutely correct!

$ python3 tut8.py 

...worked great, thanks!!